13
HARDWARE
The CME11E9-EVBU board is shipped from the manufacturer with the following default
jumper settings:
SYNC = ON
JP3 = ON
JP6 = ON
JP9 = OFF
TRACE/PROG = OFF
JP4 = ON
JP7 = ON
MODA = OFF
WRITE_EN = ON
JP5 = OFF
JP8 = OFF
MODB = OFF
MEM-EN = ON (where available)
Memory socket U5 is shipped with a 32K byte RAM device. U7 is shipped with an 8K byte
EEPROM flash memory device. U6 is normally shipped with no device installed.
Also, the 68HC11 chip configuration word is set as follows:
EEON On Chip EEPROM
ENABLED
ROMON On Chip ROM
ENABLED
NOCOP Watchdog System
DISABLED
NOSEC Security
DISABLED
RS232 Level Translator
LCD Control Logic
LCD_PORT
SS: KEYPAD
MCU_PORT
BUS_PORT
Serial Port
PWR Terminal Block
Power Jack
68HC11E9
RESET
U5
U6
U7
8 MHz Crystal
VPP Connector
TRACE / PROG Jumper
Prototype
Area
EVBU I/O Port
SYNC
JP4
JP3
JP8
JP7
JP5
JP6
JP9
WRITE_EN
AD0-7 Demultiplexer
Memory Map Logic
Chip Select Logic
Memory Selection Jumpers
Mode Select Jumpers
U1
Solderless
Breadboard
MEM-EN